\documentclass[12pt]{report}
\usepackage{epsfig}
\usepackage{units}
\usepackage{pdfpages}
\usepackage{graphicx}
\usepackage{caption}
\usepackage{subcaption}
% sets 25mm margins on A4
\setlength\textwidth{16cm}
\setlength\textheight{23cm}
\setlength\topmargin{-0.7cm}
\setlength\oddsidemargin{-0.6mm}
\setlength\evensidemargin{-0.6mm}
\renewcommand{\baselinestretch}{1.5}

\begin{document}
\thispagestyle{empty}
\include{cover}
\include{abbreviations}
\tableofcontents
%\listoffigures
%\listoftables
\include{introduction}
\include{background}
\include{evaluation}
\include{mechanical_summary}
\include{conclusion}
\addcontentsline{toc}{chapter}{Bibliography}
\bibliographystyle{plain}
\bibliography{pubs}
%\appendix
%\addcontentsline{toc}{chapter}{Appendix 1}
%\include{appendix}
\end{document}
